Skip to content

Drug interactions

Chloroquine + Olodaterol inhaled

Severity: Moderate

Chloroquine and Olodaterol inhaled: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Chloroquine prolongs the QT interval, and long-acting beta-agonists like olodaterol may add to cardiac repolarization effects and cause hypokalemia. At usual inhaled doses the added risk is modest but relevant in cardiac patients.

What this interaction means in plain words

Chloroquine and Olodaterol inhaled can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Low

Why it happens

Additive QTc effect with beta-agonist-related hypokalemia and tachycardia.

What to do

Monitor ECG and serum potassium in patients with cardiac risk factors and avoid exceeding the recommended olodaterol dose.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Chloroquine and Olodaterol inhaled, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Chloroquine with Olodaterol inhaled?

MediHelp rates the interaction as moderate. Chloroquine and Olodaterol inhaled can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Chloroquine prolongs the QT interval, and long-acting beta-agonists like olodaterol may add to cardiac repolarization effects and cause hypokalemia. At usual inhaled doses the added risk is modest but relevant in cardiac patients.

How serious is the interaction between Chloroquine and Olodaterol inhaled?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG and serum potassium in patients with cardiac risk factors and avoid exceeding the recommended olodaterol dose.

What other medicines interact with Chloroquine?

MediHelp also lists interactions of Chloroquine with, for example, Cisapride, Dofetilide, Dronedarone. The full list is on the Chloroquine page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in